![Australian Open 2018 live blog: Day four updates, results, scores, video, Roger Federer, Novak Djokovic, Maria Sharapova, schedule Australian Open 2018 live blog: Day four updates, results, scores, video, Roger Federer, Novak Djokovic, Maria Sharapova, schedule](https://prod.static9.net.au/_/media/2018/01/19/06/54/buochard1000.jpg)
Australian Open 2018 live blog: Day four updates, results, scores, video, Roger Federer, Novak Djokovic, Maria Sharapova, schedule
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Rotterdam Open: Roger Federer aims to become oldest World No 1 after announcing participation in ATP Tour event - Firstpost
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Australian Open 2018: Caroline Wozniacki battles back from the brink | Sports News,The Indian Express
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Australian Open announces switch to final-set tie-breaks for 2019 tournament | Australian Open | The Guardian
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Australian Open: Match points lost and saved drive Caroline Wozniacki | Sports News,The Indian Express
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Australian Open 2018: Caroline Wozniacki saves two match points before beating Jana Fett | Tennis News | Sky Sports
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